NPA
NXX
CLLI
City, ST
Telco
240
201
RSTNVA31DS0
RIDGE
GLOBAL NAPS SOUTH INC. - MD
240
248
RSTNVA31DS0
RIDGE
GLOBAL NAPS SOUTH INC. - MD
240
258
WASHDCTTDS0
RIDGE
TELEPORT COMMUNICATIONS GROUP INC. - DC
240
844
WASHDCCZDS0
RIDGE
XO MARYLAND LLC
301
872
RIDGMDRIRS0
RIDGE
VERIZON MARYLAND INC.
406
767
HLTTWYXCRS1
RIDGE
RT COMMUNICATIONS